PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
1skz	ANTISTASIN Haementeria officinalis	Antistasin	SER A  29 ARG A  32 SER B  29 ARG B  32	None	homomer cyclic	9311976
4dzh	AMIDOHYDROLASE Xanthomonas campestris	Amidohydro_1	SER A 327 ARG A 330 SER B 327 ARG B 330	None	homomer cyclic	-